css: Add initial support for calc()

So far, calc() only supports literals, ie it's completely useless.

1 files changed, 30 insertions, 0 deletions

diff --git a/gtk/gtkcsscalcvalueprivate.h b/gtk/gtkcsscalcvalueprivate.h
new file mode 100644
index 0000000000..247d4c8a2a
--- /dev/null
+++ b/gtk/gtkcsscalcvalueprivate.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright © 2016 Benjamin Otte <otte@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_CSS_CALC_VALUE_PRIVATE_H__
+#define __GTK_CSS_CALC_VALUE_PRIVATE_H__
+
+#include "gtkcssnumbervalueprivate.h"
+
+G_BEGIN_DECLS
+
+GtkCssValue *   gtk_css_calc_value_parse            (GtkCssParser           *parser,
+                                                     GtkCssNumberParseFlags  flags);
+
+G_END_DECLS
+
+#endif /* __GTK_CSS_CALC_VALUE_PRIVATE_H__ */